提出一种DCS控制系统设计的整体化构想，并就局部子系统优化与协调控制的工程方法加以介绍。
A integrated idea of the DCS design, and some engineering methods of partial subsystem optimization and coordination control are presented.
改变形状参数的值能整体或局部调控曲线与曲面的形状。
The shape of the curves and surfaces can be adjusted entirely or locally by changing the values of the shape parameters.
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